20199362157

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13280317}}^1$

素因数の和:13280349

約数の個数: 18

約数和(自身を含む): 31593876522

約数和(自身を除く): 11394514365

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13280317, 39840951, 119522853, 172644121, 517932363, 1553797089, 2244373573, 6733120719, 20199362157]

約数ペア:

[(1, 20199362157), (3, 6733120719), (9, 2244373573), (13, 1553797089), (39, 517932363), (117, 172644121), (169, 119522853), (507, 39840951), (1521, 13280317)]